Comments (2)
This is working as intended. flag
is already never
in line 9, because at that point TypeScript can tell that it's never
, because the only value ever assigned to it is 1
, and you already checked 1
.
from typescript.
Ohh, i mistaked the literal type.
from typescript.
Related Issues (20)
- Add preferTypeOnlyAutoImports to protocol.UserPreferences
- typeof with identically named type and value causes invalid .d.ts output HOT 7
- Surprising circularity when parameter within base type expression refers to the class itself
- [isolatedDeclarations][5.5] Type annotations needed for literals containing enum values HOT 2
- Defer TransformFlags Calculation HOT 1
- [isolatedDeclarations][5.5] Adding `satisfies` to a const expression makes it require explicit type annotation HOT 11
- [isolatedDeclarations][5.5] Autofix does not work when JSX prop contains a dash `-`
- Subtracting Date objects shows a TypeScript error, but actually works. HOT 4
- Problem with typing a NestKey type
- type inference issue with dynamic template literals HOT 1
- Unable to type nested fields in a Node.js module. HOT 5
- Scope confusion with reused signatures
- Declaration references expanded type paramater
- Design Meeting Notes, 3/29/2024
- Design Meeting Notes, 4/12/2024
- Design Meeting Notes, 4/16/2024
- Design Meeting Notes, 4/23/2024
- Design Meeting Notes, 4/26/2024 HOT 1
- Design Meeting Notes, 4/30/2024 HOT 1
- tsc --init update 2024 HOT 5
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from typescript.